The Screw,close Tolerance, cataloged under National Stock Number 5305-01-660-1352, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is 3-V Fastener Co., Inc.. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-660-1352 |
| Primary Part Number | 120-225-3R19 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | 3-V Fastener Co., Inc. |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Extended Washer Thickness | 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Head Height | 0.89 INCHES MINIMUM AND 0.99 INCHES MAXIMUM IN |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.437 INCHES NOMINAL IN |
| Thread Length | 0.039 INCHES NOMINAL IN |
| Material Document and Classification | AMS6415 ASSN STD 1ST MATERIAL RESPONSE AND MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.1900 INCHES IN |
| Head Style | ROUND EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 97499-120-225 MANUFACTURERS STANDARD |
| Grip Length | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 2170 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CRUCIFORM RIBBED |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4340 AND STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 120-225-3R19 PRIMARY | 3-V Fastener Co., Inc. (USA) |
| 120-225-3R19 PRIMARY | Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona (USA) |
| 120-225-3R19 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 120-225-3R19 PRIMARY | Lfc Industries, Inc. (USA) |
| 120-225-3R19 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 120-225-3R19 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 120-225-3R19 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 120-225-3R19 PRIMARY | B & B Specialties Inc (USA) |
| 120-225-3R19 PRIMARY | Saturn Fasteners Inc (USA) |
| 120-225-3R19 PRIMARY | Pilgrim Screw Corporation Dba Pilgrim Aerospace Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 120-225-3R19 | 3/2 Design control — primary reference U.S. Government activity |
| 120-225-3R19 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5305-01-660-1352 is a Screw,close Tolerance, manufactured by 3-V Fastener Co., Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-660-1352 has 10 manufacturer part numbers on file: 120-225-3R19 (3-V Fastener Co., Inc.), 120-225-3R19 (Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona), 120-225-3R19 (Sps Technologies, Llc Dba PB Fasteners), 120-225-3R19 (Lfc Industries, Inc.), 120-225-3R19 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 5 more.
Key specifications for 120-225-3R19: Surface Finish: 32.0 MICROINCHES THREADS; Extended Washer Thickness: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Head Height: 0.89 INCHES MINIMUM AND 0.99 INCHES MAXIMUM IN; Fastener Length: 0.750 INCHES NOMINAL IN. 22 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.